did the upgrade about a year ago...no problems in the 4000 or so miles since... purchased from Bekkers for $700 and drop shipped DIRECT from the Sachs distribution warehouse in atlanta (this will save you a few bucks on shipping and a couple of days on delivery)...my build date is 4/90--no problems with fitment... i don't believe it came with new seats--but i could be wrong...mechanic installed in a day for about $300...if i remember correctly, i dealt with a guy named Chuck (?) at Bekkers--definitely a "good ole boy"...